Fatal error: Uncaught Error: Class 'Symfony\Component\Notifier\Transport\RoundRobinTransport' not found in C:\xampp\htdocs\ApiSigestWin\1.20.09.09.5 - copia\vendor\symfony\notifier\Transport\FailoverTransport.php:23 Stack trace: #0 {main} thrown in C:\xampp\htdocs\ApiSigestWin\1.20.09.09.5 - copia\vendor\symfony\notifier\Transport\FailoverTransport.php on line 23